PatchSiren cyber security CVE debrief
CVE-2026-46466 Dell CVE debrief
A high privileged attacker with remote access could potentially exploit this vulnerability in Dell PowerProtect Data Domain, leading to information tampering. The vulnerability affects Dell PowerProtect Data Domain versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, and LTS2024 release versions 7.13.1.0 through 7.13.1.70. This is an use of less trusted source vulnerability. The CVE record was published on 2026-07-03T14:16:30.593Z and has not been modified since then. The NVD entry is currently Analyzed. Dell PowerProtect Data Domain is a data protection and storage system. The vulnerability has a CVSS score of 2.7 and a CVSS severity of LOW.
- Vendor
- Dell
- Product
- PowerProtect Data Domain
- CVSS
- LOW 2.7
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-03
- Original CVE updated
- 2026-07-08
- Advisory published
- 2026-07-03
- Advisory updated
- 2026-07-08
Who should care
Administrators and users of Dell PowerProtect Data Domain versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, and LTS2024 release versions 7.13.1.0 through 7.13.1.70 should apply patches or mitigations. This includes operators, platform administrators, vulnerability management teams, and security teams responsible for ensuring the security and integrity of data protection and storage systems.
Technical summary
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an use of less trusted source vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to information tampering. The vulnerability has a CVSS score of 2.7 and a CVSS severity of LOW. The CVE record was published on 2026-07-03T14:16:30.593Z and was last modified on 2026-07-08T19:32:15.503Z.
Defensive priority
Apply patches or mitigations to prevent exploitation. Restrict access to vulnerable systems and monitor for suspicious activity.
Recommended defensive actions
- Apply patches or updates provided by Dell.
- Restrict access to vulnerable systems.
- Monitor for suspicious activity.
- Review compensating controls for exposed systems while remediation is scheduled and verified.
- Check relevant monitoring, detection, and logs for exposed assets that need extra review.
- Track exceptions, retest remediated assets, and close the item only after evidence is documented.
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
Evidence notes
The CVE record was published on 2026-07-03T14:16:30.593Z and was last modified on 2026-07-08T19:32:15.503Z. The NVD entry is currently Analyzed. This vulnerability affects Dell PowerProtect Data Domain versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, and LTS2024 release versions 7.13.1.0 through 7.13.1.70. The vulnerability is an use of less trusted source vulnerability, which could potentially be exploited by a high privileged attacker with remote access, leading to information tampering. Evidence of exploitation is not currently available, and defenders should verify the affected scope and apply patches or mitigations.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-46466 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-46466
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-46466 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46466
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Mitigation or vendor reference
Unverified legacy reference
URL: https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
[email protected] - Vendor Advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.